* {
    margin: 0;
    border: 0;

    -webkit-user-select: none;

    -moz-user-select: none;

    -ms-user-select: none;

    user-select: none;


}

@media screen and (min-width:1400px) {
    html {
        font-size: 14px !important;
    }
}

@media screen and (max-width:1400px) {
    .sidebox:last-child {
        display: none;
    }
}

/* @media screen and (max-width:450px) {
    html{
        font-size: 4.5px!important;
    }
}  */
html {
    height: 100%;
}

body {
    height: 100%;
    /* background-image: url(../images/bodybeijing.jpg); */
    background-color: rgb(50, 50, 50);
}

/* 遮罩层 */
.cover_layer {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.300);
    display: none;
}

#head_option {
    position: relative;
    width: 100%;
    /* background-color: #fff; */
    height: .714286rem;
}

#closs {
    position: absolute;
    font-family: 'icomoon';
    right: 0;
    top: -0.714286rem;
    cursor: pointer;
}

.box_button {
    margin-top: .714286rem;
    width: 30%;
    border-radius: 5px;
    background-color: whitesmoke;
    display: none;
}

#dirpic_out {
    flex: 1;
    background-color: whitesmoke;
    width: 90%;
    overflow: auto;
}

#dirpic {
    padding: 10px;
}

.save_box {
    position: absolute;
    display: flex;
    flex-direction: column-reverse;
    width: 32.142857rem;
    height: 21.428571rem;
    padding: 20px;
    background-color: pink;
    left: 50%;
    transform: translate(-50%, -70%);
    top: 50%;
    align-items: center;
}

.input_box {
    width: 25rem;
    height: 1.642857rem;
    border-radius: 5px;
}

.save_input {
    padding: .357143rem 2.857143rem;
}

/* 头部导航 */
.head {
    display: flex;
    height: 45px;
    background-color: whitesmoke;
    margin-bottom: 10px;
    padding: 0 10px;
    box-shadow: 0 2px 4px 0 rgb(0 0 0 / 5%);
}

.left_head {
    height: 100%;
    /* background-color: cadetblue; */
    padding: 0 10px;
}

#logo {
    width: 80px;
    background-image: url(../images/dagongren.png);
    background-repeat: no-repeat;
    background-size: 100px 45px;
    margin-right: 20px;
}

.button_span {
    float: left;
    display: block;
    height: 100%;
    line-height: 45px;
    padding: 0 10px;
    cursor: pointer;
}

.button_span:hover {
    background-color: tomato;
}

.center_head {
    flex: 1;
    height: 100%;
    line-height: 45px;
    padding: 0 20px 0 50px;
}

#search_input {
    width: 60%;
    font-size: large;
    border-radius: 5px;
    padding: 5px;
}

input:focus {
    border-color: #66afe9;
    outline: 0;
    -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, .6);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, .6)
}

#button_search {
    display: inline-block;
    height: 100%;
    line-height: 45px;
    padding: 0 10px;
    cursor: pointer;
}

#button_search:hover {
    background-color: tomato;
}

.right_head {
    height: 100%;
    /* background-color: cadetblue; */
    padding: 0 10px;
}


/* 中心内容 */
#mainarea {
    display: flex;
    height: 92%;
    margin: 5px;
    justify-content: space-between;
}
#content_box{
    flex: 1;
    display: flex;
    margin-left: 5px;
    width: 100%;
    height: 100%;
    min-height: 90%;
}
.showbox {
    flex: 1;
    display: block;
    overflow: auto;
    /* height: 71.428571rem; */
    background-color: rgb(30, 30, 30);
    color: rgb(204, 204, 204);
    padding: 1.785714rem;
    border: .142857rem solid rgba(50, 50, 50, 0.25);
    line-height: 200%;
    font-size:12px;
}

#contents {
    flex: 1;
    /* width: 100%; */
    /* height: 71.428571rem; */
    font-size: 12px;
    padding: 1.785714rem;
    border: .142857rem solid rgba(0, 0, 0, 0.25);
    background-color: rgb(184, 184, 184);
}

.sidebox {
    
    /* padding: 5px; */
    
    background-color: transparent;
    margin-right:.1429rem;
    overflow: hidden;
    /* transition: all 1s ease-in-out .5s; */
}
#dir_head{
    display: flex;
    background-color: rgba(238, 238, 238);
    /* color: whitesmoke; */
    padding: 5px;
    border-radius: 3px;
    justify-content: space-between;
    border-bottom: 2px solid black;
}
#dir_menu{
    font-family: 'icomoon';
    font-size: 1.2857rem;
    cursor: pointer;
    padding: .2143rem;
    
}

#flexbox{
    display: block;
    flex:1;
    font-size: 1.2857rem;
    width: 14.2857rem;
}
#dir_flash{
    display: block;
    font-family: 'icomoon';
    font-size: 1.0714rem;
    cursor: pointer;
    padding: .3571rem;
}
#directory {
    min-width: 100px;
    display: block;
    background: rgba(238, 238, 238, 0.849);
    border-radius: 5px;
    padding: .3571rem;
    padding-left: 1.7857rem;
    font-size: 1.2857rem;
    color: rgb(60, 60, 60);
    box-shadow: 0 2px 4px 0 rgb(0 0 0 / 5%);
    
    /* transition: all 1s ease-in-out .5s; */
}

.item {
    position: relative;
}

#buttom_nav {
    height: 100px;
}